For accomodation,
last minute you can try (closer to the date)
http://www.wotif.com
http://www.lastminute.com.au
http://www.needitnow.com.au
http://www.dingoescape.com
you can book in advance on Priceline HK and Priceline Singapore for some good rates in AU.
And a visit to AU is incomplete without a trip to SYD. We'll even put on a special get together if a few FT'ers come down i'm sure.
Anyone for prawns????